A Handbook States That to Prepare a Particular Buffer Solution

question 86

Multiple Choice

A handbook states that to prepare a particular buffer solution mix 39.0 mL of 0.20 M NaH₂PO₄ with 61.0 mL of 0.20 M Na₂HPO₄. What will be the pH of this buffer?

• A) 7.2
• B) 7.4
• C) 7.0
• D) 6.8
• E) 6.6

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